Dennis G has seen 17 bands.

Band Concerts Seen
  Al Cooper Band 1 concert
  Big Brother And The Holding Company 1 concert
  Canned Heat 1 concert
  Country Joe and the Fish 1 concert
  earth opera 1 concert
  Edwin Hawkins Singers 1 concert
  Humble Pie 1 concert
  Iron Butterfly 1 concert
  Jethro Tull 1 concert
  Johnny Winter 1 concert
  King Crimson 1 concert
  Led Zeppelin 1 concert
  Neil Young 1 concert
  The Doors 1 concert
  The Jeff Beck Group 1 concert
  The Youngbloods 1 concert
  Tractor 1 concert